Quest Controls 600 - Appendix B - Control Output Matrix

Rev 3.1 01/11/23 - 30 - Model 600 User Guide
Function Code
Register
Description
Read/
Write
Type Default
Notes
Non-volatile
107 Comfort Mode RW word 0
Not 0 = enable comfort mode
0 = disable comfort mode
108 Lead Switch RW word 0
not 0 = Switch
0 = resume local operation
(reading gives 1 or 2)
N
109 Econ Disable RW word 0
not 0 = Disable economizer,
0 = resume local operation
N
110 HVAC Shutdown RW word 0
0 = Remove remote shutdown,
not 0 = Enable remote shutdown
N
111 Adjusted Outside Air L2 Setpoint RO word
Current L2 setpoint with
adjustments
N
112 Adjusted Outside Air L1 Setpoint RO word
Current L1 setpoint with
adjustments
N
Alarm Status
Holding Register
(FC3/6/16)
200 High Level 2 temperature alarm status RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
201 High Level 1 temperature alarm status RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
202 Low temperature alarm status RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
203 High Humidity Alarm RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
204 HVAC 1 Lockout alarm status RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
205 HVAC 2 Lockout alarm status RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
206 HVAC 1 Control Voltage Loss RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
207 HVAC 2 Control Voltage Loss RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N
208 Smoke alarm status RW word 0
0 = inactive, 1 = active, any write
clears active alarm
N